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One mole of an ideal gas requires 207 J ...

One mole of an ideal gas requires 207 J heat to raise the temperature by 10K When heated at constant pressure. If the same gas is heated at constant volume to raise the temperature by 5K, then the heat required is

A

62 J

B

124 J

C

12.4 J

D

6.2 J

Text Solution

Verified by Experts

The correct Answer is:
1

`207=C_(p)xx10`
`DeltaQ=C_(v)xx5`
`C_(v)=C_(p)-R =12.4`
`DeltaQ=nQ DeltaT=62 J`
`C_(p)=207`
`C_(v)=20.7-8.3=12.4`
`DeltaQ=1xx12.4 xx5`
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Knowledge Check

  • One mole of an ideal gas requires 207J heat to raise the temperature by 10 K, when heated at constant pressure. If the same gas is heated at constant volume to raise the temperature by 10 K, then heat required is [given gas constant. R = 8.3 1/(mol -K)]

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    96.6 J
    B
    124.2 J
    C
    198.8 J
    D
    215.4 J
  • Onemole of an ideal gas requires 135 J of heat to raise its temperature by 15 K when heated at constant pressure. If the same gas is heated at constant volume to raise the temperature by the same, then the heat required will be (R=8.3 J/mol K)

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    198.7 J
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    10.5 J
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